:root{--bg:#f4f7fb;--panel:#fff;--soft:#eef3f8;--text:#101722;--muted:#5d6977;--line:#dce4ec;--brand:#1f5ca9;--brand2:#0d2e55;--dark:#07111d;--accent:#ebf3ff;--max:1260px;--radius:22px;--shadow:0 18px 50px rgba(16,31,52,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img,video,svg{max-width:100%;height:auto;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.desktop-header{position:sticky;top:0;z-index:60;background:rgba(7,17,29,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.header-row{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:250px;height:auto}.desktop-nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}.desktop-nav a{color:#d9e4ef;font-weight:800;font-size:13px}.desktop-nav a:hover{color:#fff}.mobile-nav{display:none}.hero{position:relative;min-height:620px;background:#08111e;display:flex;align-items:flex-end;color:#fff;overflow:hidden}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,10,18,.9) 0%,rgba(3,10,18,.72) 42%,rgba(3,10,18,.2) 75%,rgba(3,10,18,.18) 100%)}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-content{position:relative;z-index:2;padding:92px 0 72px;max-width:820px}.crumb{font-size:13px;color:#c5d1dd;margin-bottom:18px}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:900;color:#8ec0ff;margin-bottom:12px}.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.02;letter-spacing:-.035em;margin:0 0 18px}.hero p{font-size:19px;color:#d8e1eb;max-width:760px;margin:0 0 26px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;padding:14px 18px;font-weight:900;font-size:14px;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff}.btn-light{background:#fff;color:#0f1720}.hero-stats{position:relative;z-index:3;margin-top:-32px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.stat{padding:19px 20px}.stat+.stat{border-left:1px solid var(--line)}.stat strong{display:block;font-size:18px}.stat span{display:block;color:var(--muted);font-size:13px}.section{padding:72px 0}.section.soft{background:#edf3f8}.section.dark{background:#07111d;color:#fff}.section-head{display:grid;grid-template-columns:.35fr 1fr;gap:30px;align-items:start;margin-bottom:28px}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.03em;margin:0 0 12px}.lead{font-size:17px;color:var(--muted);margin:0;max-width:860px}.dark .lead{color:#b8c6d5}.answer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.answer-main,.answer-side{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.answer-main h3,.answer-side h3{margin:0 0 10px;font-size:22px}.answer-main p,.answer-side p{margin:0;color:var(--muted)}.use-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.use-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-columns:220px 1fr;min-height:250px}.use-media img{width:100%;height:100%;object-fit:cover}.use-body{padding:22px}.use-body .tag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:var(--brand)}.use-body h3{font-size:24px;line-height:1.15;margin:7px 0 10px}.use-body p{color:var(--muted);margin:0}.thermal-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.flow-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:20px}.flow-step b{display:inline-flex;width:36px;height:36px;border-radius:999px;align-items:center;justify-content:center;background:#123d6e;color:#fff;margin-bottom:12px}.flow-step h3{font-size:18px;margin:0 0 8px}.flow-step p{color:#bdc8d4;font-size:14px;margin:0}.system-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.system-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.system-media{aspect-ratio:4/3;background:#fff;padding:14px;display:flex;align-items:center;justify-content:center}.system-media img{width:100%;height:100%;object-fit:contain}.system-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}.system-body span{font-size:10px;letter-spacing:.13em;text-transform:uppercase;font-weight:900;color:#6b7785}.system-body h3{font-size:20px;line-height:1.18;margin:0}.system-body p{font-size:13px;color:var(--muted);margin:0;flex:1}.system-body a{color:var(--brand);font-size:13px;font-weight:900;margin-top:4px}.matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:#fff}.matrix{width:100%;border-collapse:collapse;min-width:760px}.matrix th,.matrix td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.matrix th{background:#f1f5f9;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.matrix tr:last-child td{border-bottom:0}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.related-grid a{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.related-grid span{font-size:11px;text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:var(--brand)}.related-grid h3{font-size:19px;margin:7px 0}.related-grid p{font-size:13px;color:var(--muted);margin:0 0 10px}.related-grid b{color:var(--brand);font-size:13px}.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.faq summary{font-weight:900;cursor:pointer}.faq p{color:var(--muted);margin:12px 0 0}.source-note{font-size:13px;color:#738090;margin-top:16px}.footer{padding:34px 0 70px;background:#07111d;color:#c9d5e1}.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.footer img{width:240px}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a{font-size:13px;font-weight:800}.mobile-only{display:none}
@media(max-width:1100px){.desktop-nav{gap:12px}.system-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.thermal-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.use-card{grid-template-columns:180px 1fr}}
@media(max-width:760px){.container{width:min(var(--max),calc(100% - 28px))}.desktop-header{display:none}.mobile-nav{display:block;position:sticky;top:0;z-index:80;background:#07111d;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-nav details{position:relative}.mobile-summary{height:76px;display:flex;align-items:center;justify-content:space-between;gap:14px;list-style:none}.mobile-summary::-webkit-details-marker{display:none}.mobile-summary img{width:245px;height:auto;max-height:58px;object-fit:contain;object-position:left center}.hamb{width:44px;height:44px;border:1px solid rgba(255,255,255,.18);border-radius:12px;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 11px}.hamb i{height:2px;background:#fff;display:block}.mobile-panel{position:fixed;left:0;right:0;top:76px;bottom:0;background:#08111e;padding:18px 18px 40px;overflow:auto}.mobile-panel a{display:block;color:#fff;font-weight:900;padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.1)}.hero{min-height:560px}.hero-content{padding:70px 0 58px}.hero h1{font-size:42px}.hero p{font-size:17px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(3){border-left:0;border-top:1px solid var(--line)}.stat:nth-child(4){border-top:1px solid var(--line)}.section{padding:54px 0}.section-head{grid-template-columns:1fr;gap:8px}.answer-grid,.use-grid,.faq{grid-template-columns:1fr}.use-card{grid-template-columns:1fr}.use-media{height:220px}.thermal-flow{grid-template-columns:1fr}.system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{grid-template-columns:1fr}.footer-row{align-items:flex-start}.mobile-only{display:block}}
@media(max-width:520px){.mobile-summary img{width:225px}.system-grid{grid-template-columns:1fr}.hero h1{font-size:36px}.hero-stats{margin-top:-18px}.stat{padding:15px}.cta-row .btn{width:100%}.use-media{height:200px}}

/* Integration 2026-08-26: align with site-wide navigation and mobile behavior */
.desktop-header .brand img{width:270px;max-height:58px;object-fit:contain;object-position:left center}.footer-row>div:first-child img{width:260px;max-width:100%;height:auto}.mobile-nav{display:none!important}@media(max-width:820px){.desktop-header{display:none!important}.hero{min-height:540px}.section,.hero,.hero-stats,.global-contact-section{max-width:100%!important;overflow-x:clip}.use-card,.system-card,.related-grid>a,.answer-main,.answer-side{min-width:0!important}}